Kopo Share definition Flag Any blonde woman who is sexy, confident, and plays a musical instrument (preferably drums). Hey, did you see the highschool drum line's performance last night? There was this one girl there, damn! She was such a Kopo! Kopo by Flanagan High School March 22, 2012 0 0 Get merch Get the Kopo mug. Buy Now — $32.95 See more merch